btrfs: don't check DUP chunks twice

[karo-tx-linux.git] / fs / btrfs / scrub.c

diff --git a/fs/btrfs/scrub.c b/fs/btrfs/scrub.c
index 9770cc5bfb76c6829f96924bb82f9b3b564ca646..abc0fbffa510f67f601dc80e38bfecf091a88153 100644 (file)
--- a/fs/btrfs/scrub.c
+++ b/fs/btrfs/scrub.c
@@ -1367,7 +1367,8 @@ out:
 }
 
 static noinline_for_stack int scrub_chunk(struct scrub_dev *sdev,
-       u64 chunk_tree, u64 chunk_objectid, u64 chunk_offset, u64 length)
+       u64 chunk_tree, u64 chunk_objectid, u64 chunk_offset, u64 length,
+       u64 dev_offset)
 {
        struct btrfs_mapping_tree *map_tree =
                &sdev->dev->dev_root->fs_info->mapping_tree;
@@ -1391,7 +1392,8 @@ static noinline_for_stack int scrub_chunk(struct scrub_dev *sdev,
                goto out;
 
        for (i = 0; i < map->num_stripes; ++i) {
-               if (map->stripes[i].dev == sdev->dev) {
+               if (map->stripes[i].dev == sdev->dev &&
+                   map->stripes[i].physical == dev_offset) {
                        ret = scrub_stripe(sdev, map, i, chunk_offset, length);
                        if (ret)
                                goto out;
@@ -1487,7 +1489,7 @@ int scrub_enumerate_chunks(struct scrub_dev *sdev, u64 start, u64 end)
                        break;
                }
                ret = scrub_chunk(sdev, chunk_tree, chunk_objectid,
-                                 chunk_offset, length);
+                                 chunk_offset, length, found_key.offset);
                btrfs_put_block_group(cache);
                if (ret)
                        break;